Due to the fact that installation is beyond my control I can offer no guarantee. These can be controlled by a simple on/off switch. I also have the cooling pumps from the same vehicles and a charger.The item "ELECTRIC VEHICLE SMITH EDISON BRAKE VACUUM / AIR SUSPENSION PUMP, 12v" is in sale since Friday, July 20, 2018. This item is in the category "Vehicle Parts & Accessories\Garage Equipment & Tools\Air Compressors & Inflators". The seller is "goodwheeze" and is located in Maughold. This item can be shipped to United Kingdom.